根据短文内容判断下列句子正误

Water is very important for living things. Without water, there will be no life on the Earth. All plants and animals need water. Man also needs water. We need water to drink, to cook food and to clean ourselves. Water is useful in families, schools, offices, farms and factories. Water is in seas, rivers and lakes. It is everywhere in the world and it is also in the air. Clouds are formed by water. Ice is also water.